add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/hwmon/tmp102.c
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@@ -1,16 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /* Texas Instruments TMP102 SMBus temperature sensor driver
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  *
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  * Copyright (C) 2010 Steven King <sfking@fdwdc.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #include <linux/delay.h>
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@@ -141,38 +132,20 @@
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 	switch (attr) {
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 	case hwmon_temp_input:
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-		return S_IRUGO;
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+		return 0444;
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 	case hwmon_temp_max_hyst:
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 	case hwmon_temp_max:
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-		return S_IRUGO | S_IWUSR;
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+		return 0644;
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 	default:
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 		return 0;
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 	}
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 }
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-static u32 tmp102_chip_config[] = {
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-	HWMON_C_REGISTER_TZ,
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-	0
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-};
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-
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-static const struct hwmon_channel_info tmp102_chip = {
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-	.type = hwmon_chip,
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-	.config = tmp102_chip_config,
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-};
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-
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-static u32 tmp102_temp_config[] = {
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-	HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST,
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-	0
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-};
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-
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-static const struct hwmon_channel_info tmp102_temp = {
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-	.type = hwmon_temp,
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-	.config = tmp102_temp_config,
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-};
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-
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 static const struct hwmon_channel_info *tmp102_info[] = {
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-	&tmp102_chip,
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-	&tmp102_temp,
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+	HWMON_CHANNEL_INFO(chip,
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+			   HWMON_C_REGISTER_TZ),
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+	HWMON_CHANNEL_INFO(temp,
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+			   HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST),
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 	NULL
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 };
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@@ -212,11 +185,11 @@
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 	.volatile_reg = tmp102_is_volatile_reg,
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 	.val_format_endian = REGMAP_ENDIAN_BIG,
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 	.cache_type = REGCACHE_RBTREE,
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-	.use_single_rw = true,
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+	.use_single_read = true,
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+	.use_single_write = true,
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 };
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-static int tmp102_probe(struct i2c_client *client,
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-			const struct i2c_device_id *id)
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+static int tmp102_probe(struct i2c_client *client)
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 {
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 	struct device *dev = &client->dev;
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 	struct device *hwmon_dev;
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@@ -320,7 +293,7 @@
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 };
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 MODULE_DEVICE_TABLE(i2c, tmp102_id);
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-static const struct of_device_id tmp102_of_match[] = {
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+static const struct of_device_id __maybe_unused tmp102_of_match[] = {
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 	{ .compatible = "ti,tmp102" },
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 	{ },
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 };
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@@ -330,7 +303,7 @@
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 	.driver.name	= DRIVER_NAME,
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 	.driver.of_match_table = of_match_ptr(tmp102_of_match),
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 	.driver.pm	= &tmp102_dev_pm_ops,
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-	.probe		= tmp102_probe,
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+	.probe_new	= tmp102_probe,
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 	.id_table	= tmp102_id,
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 };
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